536171491 has 2 divisors, whose sum is σ = 536171492. Its totient is φ = 536171490.

The previous prime is 536171417. The next prime is 536171497. The reversal of 536171491 is 194171635.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-536171491 is a prime.

It is a super-2 number, since 2×536171491² = 574959735522326162, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 536171491.

It is not a weakly prime, because it can be changed into another prime (536171497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268085745 + 268085746.

It is an arithmetic number, because the mean of its divisors is an integer number (268085746).

Almost surely, 2^536171491 is an apocalyptic number.

536171491 is a deficient number, since it is larger than the sum of its proper divisors (1).

536171491 is an equidigital number, since it uses as much as digits as its factorization.

536171491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 37.

The square root of 536171491 is about 23155.3771508909. The cubic root of 536171491 is about 812.3962425612.

The spelling of 536171491 in words is "five hundred thirty-six million, one hundred seventy-one thousand, four hundred ninety-one".